Articulated sliding doors

This pair of train-like sliding doors is operated using a single lever. For door enthusiasts ;)

https://www.youtube.com/watch?v=ThBWmhU9lu4

Print parts flat on the surface and assemble like in the picture. No special postprocessing required.

The same principle extended to 3 dimensions is used in my Train with the sliding doors model: https://www.thingiverse.com/thing:3568368